@article {alton2004emissivity,
	title = {The emissivity of dust grains in spiral galaxies},
	journal = {Astronomy \& Astrophysics},
	volume = {425},
	number = {1},
	year = {2004},
	pages = {109{\textendash}120},
	publisher = {EDP Sciences},
	author = {Alton, PB and Xilouris, EM and Misiriotis, A and Dasyra, K. M. and Dumke, M}
}
